Garmin TR-1 Gold Marine Autopilot User manual

TR-1 Gold

Owner’s Manual

906-2000-00

RevH 101507

2

Rev.H 101507

Thank You

Your purchase of this TR-1 Gold outboard management system enters you in the

prestigious fraternity of anglers who count on TR-1 to control their outboard kickers.

TR-1 Autopilots is dedicated to creating the nest controls and guidance systems for the

best in boating and shing.

TR-1 Gold represents that effort. Enjoy your best shing partner ever. We’re sure you will

agree it is worth its weight in GOLD.

Table of Contents

Safety & Cautions Page 3

Parts List Page 4 & 5

Specications Page 6

Preparation Page 6 & 7

System Layout Page 8

Tools Page 9

Installation of E-H Unit (Pump) Page 9 & 10

Installation of Sensor Ball (Compass) Page 11 &12

Installation of Deckmount/ Tach Page 13

Installation of Handheld/Remote Page 14

Verify Connections Page 14

Battery Connections Page 14

Connect & Fill Hydraulic System Page 15

GPS Connections Page 18

System Functions and Features Page 19

Operating the System Page 20

Power On/Off (Deckmount) Page 21

Engaging Heading Hold Page 21

Change Heading with Remote Steer Page 21

Change Heading with RCAH (Changing Heading while in Autopilot) Page 22

GPS Steering Page 23

Setting North Page 23

Course overground Page 23

Steer to Waypoint Page 24

Orbit Waypoint Page 24

Cloverleaf Pattern Page 24

Search Pattern Page 25

Step Turns, Change Heading with Page 26

Circles, Change heading with Page 26

Reverse Page 26

MOB, change heading with Page 26

Idle/Resume Page 27

Throttle Up & Down Page 27

Zig-Zags, change heading with Page 27

Selecting Special Functions Page 28

Setup, How to make changes with Page 29

Setup Codes, Table of Page 30 & 31

Explanation of Codes Page 31 & 32

Adjusting Your Autopilot (Tuning and Setup) Pages 33-35

Rudder and Counter Rudder Gain Pages 35-37

Trouble Shooting Guide Page 39

3

Safety

You are responsible for the safe and prudent operation of your vessel.

Your TR-1 Gold Autopilot is a tool that will enhance your capability to

operate your boat and catch fish. It does not relieve you from the

responsibility for safe operation of your vessel. You must avoid hazards

to navigation and never leave the helm unattended.

You must always be prepared to promptly regain manual control of your kicker. The

autopilot and the throttle actuators can fail hard over. Learn to operate your autopilot on

calm and hazard free open water.

In case the autopilot becomes inoperable, remove the in line fuse from the battery power

cable.

The steering cylinder can be removed from its mounting bracket on the outboard in case

of hydraulic jamming.

Removing the actuating link between the stepper motor and the carburetor butterfly

crank can disable the electric throttle.

Caution:

Before drilling holes in your boat, be sure you know what you are drilling into.

Watch out for fuel tanks, electrical cables, and hydraulic hoses.

Do not run your pilot with the outboard hard on the steering stops for any

extended time or you will burn out the pump motor.

Be sure to leave the system in Standby mode when Autopilot is not

in use, or if

the kicker motor is not running.

We recommend you use only BioSOY hydraulic fluid in your autopilot hydraulics.

Keep your hands out of the outboard steering hinge area, the autopilot may steer the

motor and smash (or worse) your fingers.

2

TR-1 Gold Autopilot System Parts List

Electro-Hydraulic unit……………….…….

120-2100-00

Kinked tubing with tie wrap……………….

3 ea. Truss head machine screws #8-32x 3/4

3 ea. Lock washer nuts #8-32………………

3 ea. Truss head sheet metal screws #8 x 3/4

Sensor Ball Unit……………………………….……..

120-2200-00

Sensor Ball Bracket ………………………………….

3 ea. Pan head machine screws #8-32 x 1”…………

3 ea. Lock washer nuts #8-32…………………………

3 ea. Pan head sheet metal screws #8 x 1”…………

Sensor Ball Capture Cage...………………………….

Deck Mount Switch/Tach …………………………

120-2215-00

4

5

Handheld/Remote Unit...………………………….

120-2020-00

Cylinder Mounting Kit…………………

(Motor Specific)

18 feet Hydraulic Hose…………………………………

120-0013-01

Steering Cylinder………………………………………...

120-0900-00

Throttle Actuator ( Motor Specific)……………………….

1 pt. Hydraulic Fluid

120-0001-01(Bio-Soy)………………………………

6

E-H unit 6.5”H x 7” W x 5” D 8 lb

Sensor Ball 3.6” Dia. Cable length 18’ 2 lb

Remote 5”x 2.5”x 1” Cable length 18’ 1 lb

Deckmount/Tach 5/8”x 2” Cable length 6’

Battery Cable Cable length 9’

Fluid 1 pt. BioSOY Oil 1 lb

Supply Voltage 11.5 – 14.0 VDC

Maximum Current 12 Amperes

Inline Fuse ATO 20 Amp

O

p

eratin

g

Ambient Tem

p

erature 20 – 120 de

g

F

TR-1 Gold Specifications

Introduction

This manual comprises two major sections. The first section is a guide to installation of

the “onboard” components of the autopilot system on your boat. The second section is a

guide to adjusting and operating your system. Installation instructions for the throttle

actuator and steering cylinder are motor specific and are provided in separate manuals.

Preparation

You will be hard mounting three autopilot components in your boat: 1) The Electrohydraulic

Unit. 2) The Deckmount switch. 3) The Sensor ball. These components are shown in relation

to each other and to the engine mounted components in the System Layout diagram on page 8.

As indicated by this diagram, the Electrohydraulic unit and the Deckmount switch are to be

located near the kicker and the Sensor ball is to be located FORWARD OF THE CENTER

OF YOUR BOAT

Spend some time to figure out where you are going to mount all of the components before you

mount any of them. Place the components where you expect to mount them and verify you

have access to and routes for the cables and hoses that connect the components.

x Mounting Screws

Mounting screws are provided for through and blind hole applications. You may choose

to drill and tap the mounting surface.

SCREW TAP DRILL TAP CLEARANCE PILOT

#8 – 32 machine #29 .136 dia #8 –32

#8 – 32 machine 3/16

#8 s

h

eet

m

eta

l 1

/8

6

7

x Access

The Electrohydraulic Unit is the place where all the components connect together and the place where

fluid is added and fluid level is checked. Leave room for service loops in the cables and hoses.

The Deckmount switch should be easy to reach with your free hand when your other hand is on the

kicker tiller. This can be done after the initial turn on blinking setup is complete. In case of an

emergency, quick access to the deckmount switch is a good idea, by pressing the button once it will

take the autopilot to standby, allowing you to take control of the tiller handle. Pressing the button

again will return it to autopilot mode.

If you intend to hook up to GPS, the connection between the GPS and the autopilot is made at the

Sensor ball and the NMEA 0183 output on your GPS.

x Protection

Locate the Electrohydraulic unit and Sensor ball in places where they will not get submerged or

exposed to wash down.

Use a quality electrical insuating grease compound on all electrical connections (Dow Corning

#4) except the orange connectors # 1,2,3, & 4.

x Moving Parts

Hoses and cables that connect the Electrohydraulic unit to the engine mounted components

need to be free from binding and kinking. Be sure to remember your kicker moves up and down

on the lift bracket, tilts up and down, and steers lock to lock.

x Hose Length

Try to keep the hose length between the steering cylinder and the Electrohydraulic unit short. But

leave enough length for movement of Kicker (See note above on moving Parts).

x Magnetic Environment

The Sensor ball has a compass in it. Do not mount the ball near magnetic materials, magnets

(speakers and electric motors), or high current carrying wires. Small, vehicle fixed, magnetic

disturbances can be calibrated out, but moveable or changing magnetic disturbances such as anchors,

anchor chain, and wiper motors should be kept at least 24” away. A common problem is to have

mounted the ball near a glove box, and then someone puts tools in the glove box. Keep the Sensor

ball away from Air Ride seats.

x Strain Relief and Cable Protection

Do not let the connectors on the Electrohydraulic unit be the sole support for the cables connected to

them. Use the tie wraps to tie the cables down to the Electrohydraulic frame. There are several holes

in the sheet metal frame provided for this purpose.

Don’t run cables and hoses over sharp edges. Use grommets in through holes to protect the cables.

7

System Layout

Throttle

Actuator

Mounts on carburetor

on motor.

Sensor Ball: Mount

in front 1/2 of boat.

GPS connection

NMEA 0183

Battery

12V

Deckmount On/Off switch:

Mounts near kicker motor, near

transom.

Electrohydraulic Unit: Mount near

transom.

Cylinder

Cylinder Mounting Bracket: Mounts on Motor

lower end.

Tach sensor

wire:Attaches

to spark plug

wire on kicker.

1 2 3 4

Handheld/Remote

8

9

Locate the Electro-Hydraulic unit where it

it will not be subjected to water submersion

or spray from wash down.

Tools

You should gather the following tools before beginning installation. See throttle and cylinder

supplements for any additional tools that may be needed for your application.

Tools

Power Drill

#1 Phillips screw driver

.125 (1/8) or 3.17 mm dia. drill

.469 (15/32) or 11.90 mm dia. drill

Roll of masking tape

Rags

Knife

Pliers

Silicone RTV

Loctite or similar product

Electrical grease compound

(Dow Corning #4)

Installation of The Electro-Hydraulic Unit

Step one (Template)

Find the mounting template in your autopilot

documentation package. Use the wall or floor

section of the template as needed. Decide which

screw type you need. Hold the template in the

place with tape and drill right through it in the

three indicated locations. See fig.5. Remove

template and install screws in the indicated

locations on template. Tighten these 2 screws

down to 3/32” from the surface to allow enough

space for the bracket on the pump to slide behind

the screw.

Fig .4

Fig. 5

Please read the complete instructions thoroughly before starting your installation. If

you have any questions call our Tech Support line. 1-800-588-7655

9

Mounting Hydraulic Unit

10

Step Two (Locking unit in place)

Floor Mount: Set the unit on the

floor in front of screws. Slide the left

side back and engage the notch

between the hose fittings around the

left hand screw. Pivot the unit on the

left hand screw counter clockwise

until the notch under the electronics

box on the right hand side is engaged

and the remaining hole you drilled

lines up with the hole in the bottom

tab of the right hand bracket. When

the holes line up, put the last screw in

and the E-H unit is locked in place, as

shown in fig.6.

Wall Mount: Set in place by

hanging the unit on the screws.

One is the keyhole shape on the

upper left backside of E-H unit; the

other is the notched area on the

lower right side of E-H unit. Lock

E-H unit in place by lining up the

last hole on upper right hand corner.

Please note

: You will need to

remove the black plastic

thumbscrew to place the last screw,

as shown in fig.7

You may run the red and black wires to the battery box now, but do not connect to

the battery yet.

Fig. 6

Fig. 7

10

Installation of the Sensor Ball

Hold the mounting bracket in the desired

position and drill through the holes into the

mounting surface. (Be sure that the wire

coming out of the ball can exit the ball

straight down.) Tap if necessary. Install and

tighten the three mounting screws as shown

in fig.8-a

If you need to make a paper template for a

drill pattern: The mounting holes are equally

s

p

aced on a 1.224 inch radius circle.

Fig. 8-a

Fig. 8-b

Place the ball, wires down, into the

bracket and capture it by snapping the

cage over the ball, sliding the tips of the

cage between the ball and the legs of the

bracket. Do the two legs without the

thumbscrew first. Rotate cage upwards to

catch the bracket with the thumbscrew.

See fig. 8-b

Step one (Mounting the Sensor Ball)

Step two (Placing ball in bracket)

The Sensor (Compass) Ball needs to be mounted forward of the center of your boat. Make sure

you mount it away from magnetic disturbances (stereo speakers, wiper motors, anchors). You

will need to calibrate your compass on the water after installation of system and before you use

the autopilot.

11

Step 3 (Adjusting Sensor Ball)

Readjust the ball if necessary and fix

it in position by tightening the

thumbscrew. See Fig 9-A. Make

sure that the wires from the Sensor

Ball are pointing straight down out

the bottom; otherwise the sensor ball

will not work properly. See Fig. 9-B

Fig. 9-A

Fig. 9-B Fig. 10-a

Note: It is important to match

your ECU wiring configuration

to the picture. Just remember

to always plug into matching

numbers from the wire to the

ECU.

Fig. 10-b

Run the wire back to the E-H unit. The wire connector from the Sensor Ball is labeled number

4. It connects to the E-H unit at connector 4, as shown in fig.10-a or 10-b. (this will depend on

your ECU wiring configuration). When you plug in the connectors, the wires go at about a 45q-

angle left of the numbers on the E-H unit (fig. 10-a) or at a 90° angle for fig 10-b. Feel the

connectors start before pushing it down.

12

Installation of the Deckmount and Tach

If the material you wish to mount the Deckmount

switch in is less than ¼” thick: Drill a hole 15/32

Diameter perpendicular to the surface. Unscrew

the bezel from the switch and leave one washer on

the neck. Put the switch button, with washer,

through the hole from below. Screw the bezel on

to the top and your done. Refer to Fig.11

If the surface you want to mount the Deckmount on

is thicker than ¼ inch, Drill a 19/32 hole through

the surface. Unscrew the bezel from the top of the

switch and remove the washers. Slide the switch

all the way through the hole from the backside of

the panel. Apply some silicone sealer/adhesive to

the barrel of the switch. Screw the bezel, with or

without a washer back onto the switch and slide the

switch back into the hole. It may be necessary to

tape or otherwise hold the switch in place until the

sealer/adhesive sets. Alternatively, you can make

a custom sheet metal bezel/mounting bracket for

the switch.

Step One: (Deckmount)

Fig. 11

Step Two (Tach)

The Tach is the portion of the cable with a white antenna

end. The antenna end needs to be installed into your

outboard motor. The wire connector from the deck

mount/Tach switch is labeled number 1. It connects to the

E-H unit at connector number 1. Route the Tach portion of

the wire from the E-H unit back to the motor. Remove the

outboard cover. Route the cable through the grommets on

the front of your motor, then route the cable around the

motor to the spark plug wires. You will need to lay the

white or antenna end of the cable along side

of one of the

spark plug wires in your motor. Keep the antenna end at

least 1” from either end of spark plug wire. Do not

stick the end of the wire into the boot of the spark plug

wire. Use tie-wraps to attach the antenna end of cable to the

Spark plug wire. (Fig. 11-A)

(After installation of your Autopilot, you will need to verify

your tach. Please refer to page 31, paragraph 2 for more

information).

Note: Route the cable for the tach on the

opposite side of the kicker motor that you route

the throttle actuator wire

.

Fig. 11-A

13

Fig. 12

Installation of the Handheld/Remote

Connect the Remote cable to the ECU unit at

connector number 3. Strain Relieve the cable.

One place to do this is the bottom right hand side

of the ECU unit. See Fig. 12. This will help

protect the Remote cable from being pulled out

of the connector on the ECU unit and possibly

damaging unit. If you need to drill a hole in the

boat for the cable be sure to put a grommet in the

hole to protect cable from the sharp edges.

Installation of the Cylinder Kit and Throttle Actuator

Refer to the manuals supplied with the throttle and steering cylinder kits, and install these parts

before continuing with the procedures that follow. If you do not use the throttle actuator, it is

recommended that you coat #2 pico connector with a grease to protect it from corrosion.

Battery Connection Installation

Connections

At this point, all electrical connections to the

Electrohydraulic unit are complete. Some

ECU wiring configurations are slightly

different see fig. 13-a and fig.

13-b for your variation. Verify these

connections

as follows:

Deck mount #1 To ECU connector #1

Throttle #2 To ECU connector #2

Handheld #3 To ECU connector #3

Sensor Ball #4 To ECU connector #4

Now hook up the battery connections. We recommend that you

connect the battery cable directly to the battery. Connect the

ground side first. Connect the black wire to negative (-) side of

the battery. Connect the orange wire to the positive (+) battery

terminal.

Note: Do not be alarmed if connection sparks when connected to

battery, you are charging a capacitor inside the unit.

Do not cut out or eliminate the fuse portion on your battery

cable, it is there to protect your system and may void your

warranty if removed.

If you unplug the battery cable be sure to replace the tie wrap

around connectors to prevent them from separating.

Fi

g

.13-a

Fi

g

.13-b

14

15

Connect and Fill the Hydraulic System

Before you start………

x The fittings in the electro hydraulic unit (Pump unit) and the Cylinder are barbed hose fittings.

It is important that you push the hose completely over the barbs. Use some fluid to lube the inside

of hose before pushing them on. It will make the process slightly easier.

x This process may be a little messy so keep a few rags handy. Safety glasses

are also a good idea.

x If you haven’t already, loosen the steering tension adjustment on your motor to the minimum

setting. The motor should turn very easily. (If necessary refer to your outboard motor’s

owner’s manual).

x As with all hydraulic systems, it is very important to keep any dirt or debris from entering

the system.

Step One

Remove the Left side of the kinked clear shipping tube from

the E-H unit. Keep the kinked clear tube (with the tie wrap)

on the Right barbed fitting (It will act as a plug).Fig.A

Step Two

Run a continuous

section of black rubber hose from the Left

E-H fitting, out the back of the boat to the cylinder and back

into the boat to the pump. Do not cut the hose at this time.

See.Fig. B

Fig. A

Fig. B

15

Fig A

16

Step Three

Arrange the hose at the cylinder end so that none will kink and they

are hanging free. Put a piece of tape on the right hose at the cylinder

end to identify it. You will need to know this when it’s time to

connect the hose to the cylinder. See Fig.14.

Step Four

Get into the boat close to the E-H unit. Bring the Remote Handheld,

uid, and some rags. Remove the screw that locks the E-H unit in

place so that you can move the unit around. Remove the tank plug by

unscrewing counterclockwise and remove. Note the tank has two

uid level lines on it. The upper line is the full line and the lower line

is the low uid line.

Step Five ( Purge Air)

Take the open end of the continuous loop of black hose,

and insert it into the tank as shown in Fig. 15. Be sure

that the other end of black hose is secure on the left

barbed tting on the E-H unit. Also make sure that

the clear kinked hose is also secure on the right barbed

tting. (Use of tie wraps may be necessary)

Turn the pilot on by momentarily pressing and releasing

the deckmount switch. When the Stby LED quits

blinking, press the top button on the remote (Auto/Stby)

the Auto Led will be lit. Holding the tube in the tank

press the Left Straight Arrow. Refer to g. 15. The

uid level will go down. Let the button up and place

system in STBY when the uid is low and rell the

tank. (Do not press the Straight Right Arrow Button,

you will blow the clear tube off the right side and

create a hydraulic uid mess)

You may need to ll the tank several times. Keep the

hose submerged in the tank uid and keep pumping until bubbles stop

appearing in the tank.

Turn the system to standby by momentarily pressing the top

button (AUTO/STBY) on the handheld. Turn the unit off by

pushing in the deckmount button and hold until the lights are

out (about to the count of 5). Remove the hose from the tank,

keeping your thumb over hose to prevent air from entering or

losing uid. Insert the tank plug, tting it securely into the top

of tank. Tilt the tting end of the E-H unit back and remove

the kinked shipping hose from the E-H. Now push the rubber

hose onto the right tting pushing rmly until fully engaged

over barbs. Install the Two (2) Hose clamps over the hose and

barbed ttings at the manifold and tighten. See Figure 15-a.

You will need the clear shipping tube again in the next step

so don’t throw it away yet.

Fig. 14

Fig. 15

Fig. 15-a

Step Six (Fill Cylinder)

You will need the motor in the down position and

the cylinder fittings pointing straight up.

Disconnect the rod end of the cylinder from its

mount. Find the kinked piece of tubing that you

removed in step one. Remove the tie wrap and cut

the tubing in half. Push one half on each cylinder

barbed fitting. Open the fluid bottle. Insert pieces

of tubing into the fluid. They need to go to the

bottom of the bottle. Now hold the tubing in the

bottle with one hand and pull and push the rod in

and out of the cylinder until you stop seeing air

bubbles in the hose. Refer to fig. 16

Fig. 16

Fig. 17

Slide the rod into the cylinder as far as it will go. Now remove the short clear hose from the cylinder and

drain the fluid from the tubing into the bottle. Be sure both cylinder fittings are full to the top. Point the

rod end of the cylinder toward the pin that engages it but leave it pushed into the cylinder.

Step Seven (Correctly connect the hose)

At the cylinder, kink the black hose (bend it

over sharply and use a tie wrap to pinch hose

shut). See Fig. 17. Cut the hose as shown just

above the tie wrap and keep a thumb over the

right side to keep the fluid in the hose. Keep

the hose full to the brim and push the right

hose (hose that has tape) onto the right cylinder

fitting as shown in Fig.17-A

Cut the tie wrap on the left hose and insert it o

n

the left fitting on the cylinder as shown in

Fig.17-B. Reconnect the cylinder rod end.

Fig. 17-A Fig. 17-B

17

Step Eight (Check hose t)

Check to see that the hose is free to move back and forth with motor. Tie wrap as

necessary to hold hose in place. See Fig. 18

Step Nine (Hose Clamp)

Place hose clamps over hose and ttings at cylinder end. Fig. 18-a

Step Ten (Top off the system)

Manually turn the motor back and forth several times. Air bubbles trapped in the

tubing may cause the uid level in the tank to surge when the tiller is moved fast.

The more the tiller is cycled back and forth, the more air is purged from lines. Top

off the tank with uid when the surge is reduced. Replace the tank plug. Remount

the pump unit following the instructions on page 10, making sure all screws are

tight.

Verify Proper Installation

Press the deck mount switch to turn the system on. Put the unit in AUTO

mode. Press and hold the Straight Left Arrow button on the Remote. The

kicker will steer to the port. Press and hold the Straight Right Arrow

button on the Remote and the kicker will steer to starboard. Turn the motor

several times in each direction to verify that hose connections are tight and

that you have no binding of hoses or cables.

Get in position to see the kicker carburetor and the throttle actuator you installed, then press and hold the Up Arrow

button. The actuator should open the carburetor throttle. Press and hold the Down Arrow button. The actuator should

run the carburetor to idle. Pushing and releasing these buttons quickly moves the throttle by small amounts. Holding

them down changes the throttle by large amounts. Move the throttle to mid-travel and then press the IDLE/RES button.

The throttle should go to idle. Press the button again and the throttle should go back to the mid-travel position.

!!!! You will need to calibrate the Compass of your Autopilot, and will need to tune the

Autopilot to your boat and motor conguration. Please see page 33, adjusting your Autopilot

for Heading Hold operations on your Boat.

Check to see that your GPS transmits NMEA 0183 messages $GPRMB (RMB),and $GPRMC (RMC) before you hook

your GPS to the autopilot. These are the messages the autopilot must receive in order to steer with the GPS. Your GPS

NMEA output wires will usually be bundled with other conductors in the GPS cables. Look in your GPS manual for

instructions relating to NMEA output from the GPS to other devices. The GPS manual should identify two wires that

are named something like NMEA out (+) and NMEA out (-). Connect the NMEA out (+) to the red (+) and the NMEA

out (-) to the white (-) conductors in the stub cable with the blue tip at the Sensor ball. You will need to strip some of

the jacket from the blue tipped cable in order to get to the red and white conductors. 22 or 24 gage twisted pair wiring is

recommended for connecting this circuit. (See page 23 for more information on GPS.) You will need to calibrate your

compass and Set North in order for GPS functions to work. See pages 23 & 35

18

GPS Connections

This section of this document provides you with information that will let you take advantage of

your TR-1 Gold autopilots' capabilities. We have made every effort to minimize the pain in

getting you up to speed as a user of the TR-1, however, programmable devices such as your TR-

1, are often difficult to learn to use and to program. We recommend that you do not take your

fishing tackle with you on your first trip with your new autopilot. Take a few hours on a nice

day to get your system setup and familiarize yourself with its operation, then your first fishing

trip with the unit will really have you smiling.

This manual is laid out in sections that are, as best we can make them, self contained. We start

with the features and functions available and fundamentals of how the system works, then how to

operate the basic functions, and finally how to get into the fine adjustments.

Some of you will find that this manual is lacking in depth and clarity, and for this we apologize.

Please do not hesitate to call us for interpretation and other help you may need.

Introduction to Operation and Adjustments

System Functions And Features

The TR-1 is, at its core, a heading hold autopilot. It steers the kicker to maintain a constant

magnetic heading. The autopilot measures magnetic heading with a flux gate compass and

receives rate of turn information from a vibrating beam rate sensor (gyroscope). The autopilot

computer forms a rudder rate command from a combination of the compass, gyro, and engine

tachometer signals. This rudder rate command is calculated and sent to the pump controller in

the electrohydraulic unit electronics 20 times each second. The pump control electronics

servos the pumping speed and direction to match the rudder rate command from the autopilot.

The autopilot is designed to disconnect from the steering cylinder when it is off or in standby.

It does this with a bypass valve that shunts fluid from the steering cylinder around the pump

when the bypass valve is open.

Beyond the basic heading hold function, the autopilot provides for several other modes of

automatic and manually controlled steering functions. These are listed below.

1. Rudder Command / Attitude Hold (RCAH). RCAH is the primary means for changing the

boats heading manually.

2. Remote steer. Remote steering is used for electrically steering the kicker without feedback

from the gyro or compass.

3. Step turns. The autopilot will execute predetermined fixed angle turns in this mode.

4. Circles. The autopilot will turn in circles of predetermined duration.

5. Zigzags. The autopilot will steer a zigzag course with predetermined angle and duration.

19

6. Man Overboard. The autopilot will execute a turn to the reciprocal course and pass near the maneuver

initiation point.

7. GPS steering. (Some GPS units may not support these features.)

7a. The autopilot will steer to a waypoint or series of waypoints.

7b. The autopilot will orbit a waypoint.

7c. The autopilot will steer a 3 leaf clover pattern over a waypoint.

7d. The autopilot will steer a spiral search pattern around a waypoint.

7e. The autopilot will steer to constant course over ground.

8. Reverse. The autopilot will attempt to execute any of the above steering functions while the boat is

backing.

The TR-1 system includes an electric throttle mechanism for remote control of the kicker throttle

valve. The throttle butterfly valve is actuated by a lead screw and stepper motor. The stepper advances

or retracts the lead screw in 1/1000 inch steps as commanded by the remote control pushbuttons. On

system power down, the stepper is commanded to take the butterfly valve to its' closed throttle position.

The throttle system has an Idle/Resume feature that provides for single button push reduction of throttle to

idle and subsequent button push resumption of the initial RPM.

Operating The System

Most of the operation of the autopilot is accomplished through the remote control and the deckmount

switch. To make things easy to talk about we will name the buttons as shown in the picture of the handheld/

remote below.

Autopilot/Standby

Button

Straight Right Arrow

Button

Up Arrow Button

Down Arrow Button

Bent Right Arrow Button

Straight Left Arrow

Button

GPS (Select Load)

Button

Bent Left Arrow

Button

Idle/Resume

Button

Setup Button

Almost all of the buttons in the systems have multiple functions, and many functions are accomplished by

button push sequences or by pushing more than one button at a time. The steering and throttle modes are not

all available simultaneously. The Idle/Resume , Bent Left Arrow, and Bent Right Arrow buttons are

sometimes referred to as “special function” buttons in the following text.

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Garmin TR-1 Gold Marine Autopilot User manual

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Garmin TR-1 Gold Marine Autopilot User manual

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